Web i have a 2003 f150 with 4.6, it had been running fine turned it off got back in and had a loud knocking noise. I was told that it was probably the timing cain guides, so i. The valve tappets are the ones through which the camshaft operates the inlet and exhaust valves in the valve train.
2008 f150 5.4 lifter knocking 140,000 miles Ford F150 Forum
My dad's 08 5.4 f150 has what sounds like a lifter tick on the passenger side.
The 5.4 3V Ticking, Knocking Sound Has Been Solved And It's Easier Than You Think.
Web 2013 ford f150 ticking like bad lifter. Web ford 5.4l 3v ticking, knocking solved. At startup it hammers like someone.
